<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 300px;
            height: 300px;
            background-color: pink;
        }
    </style>
</head>

<body>
    <div class="box"></div>
    <script src="js/echarts.min.js"></script>
    <script>
        // 初始化实例对象
        var myChart = echarts.init(document.querySelector(".box"))
            // 指定配置项和数据
        var option = {
            xAxis: {
                type: 'category',
                data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
            },
            yAxis: {
                type: 'value'
            },
            series: [{
                data: [120, 200, 150, 80, 70, 110, 130],
                type: 'bar',
                showBackground: true,
                backgroundStyle: {
                    color: 'rgba(220, 220, 220, 0.8)'
                }
            }]
        };

        //把配置项给实例对象
        myChart.setOption(option);
    </script>
</body>

</html>